Use the power-reducing formulas to rewrite each of the expressions in terms of the first power of the cosine. Sin^4cos^4

Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission? ” the salesperson says that her commission is 5 1/2% of the selling price. a.how much commission will the salesperson earn by selling a couch for $495? b.how much money will the store get from the sale of the couch?

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?